63674406 has 12 divisors (see below), whose sum is σ = 137961252. Its totient is φ = 21224796.

The previous prime is 63674383. The next prime is 63674407. The reversal of 63674406 is 60447636.

63674406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63674407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1768716 + ... + 1768751.

It is an arithmetic number, because the mean of its divisors is an integer number (11496771).

Almost surely, 2^63674406 is an apocalyptic number.

63674406 is an abundant number, since it is smaller than the sum of its proper divisors (74286846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63674406 is a wasteful number, since it uses less digits than its factorization.

63674406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537475 (or 3537472 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 63674406 is about 7979.6244272522. The cubic root of 63674406 is about 399.3205256066.

The spelling of 63674406 in words is "sixty-three million, six hundred seventy-four thousand, four hundred six".